package com.atguigu.springcloud.controller;

import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import com.atguigu.springcloud.entities.CommonResult;
import com.atguigu.springcloud.entities.Payment;
import com.atguigu.springcloud.myhandler.CustomerBlockHandler;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * @Author XuZhuHong
 * @CreateTime 2021/11/10 21:43
 */
@RestController
public class RateLimitController{
    @GetMapping("/byResource")
    @SentinelResource(value = "byResource",blockHandler = "handleException")
    public CommonResult byResource()    {
        return new CommonResult(200,"按资源名称限流测试OK",new Payment(2020L,"serial001"));
    }

    public CommonResult handleException(BlockException exception)  {
        return new CommonResult(444,exception.getClass().getCanonicalName()+"\t 服务不可用");
    }

    @GetMapping("/rateLimit/customerBlockHandler")
    //value属性表示一个在sentinel上表示的一个id
    // blockHandlerClass表示兜底的类
    // blockHandler表示类里的哪个方法的方法名
    @SentinelResource(value = "customerBlockHandler",
            blockHandlerClass = CustomerBlockHandler.class, blockHandler = "handleException1")
    public CommonResult customerBlockHandler()
    {
        return new CommonResult(200,"按客户自定义限流处理逻辑");
    }
}
